The money will be used for several years to increase Germany's defense budget, which currently stands at around 50 billion euros.
According to Dagens Nyheter, the issue is controversial because rearmament has become a political taboo after World War II.
Olaf Scholz presented the proposal at the end of February, just days after the Russian invasion.
We must ask ourselves: "What skills does Putin have?
And what skills do we need, now and in the future, to be able to respond to his threats? ”
It is clear that we must invest significantly more in the security of our country in order to protect our freedom and democracy, the Chancellor said then.
2 percent of GDP
To bring about the change, a decision was needed to amend the constitution, which required a two-thirds majority in parliament.
When the proposal was then voted through on Friday, 593 MPs voted in favor, 80 voted against and seven abstained, according to Der Spiegel.
The fund will enable Germany to meet NATO's expectation of spending 2 percent of its GDP on defense spending.
The Kremlin warned earlier on Friday that Germany's rearmament poses increased security risks.